13178.2.
(a) On or before January 1, 2026, the Department of Transportation shall adopt a statewide policy to use integrated pest management on state roads and highways.(b) In developing the statewide policy, the Department of Transportation shall consult with the Department of Pesticide Regulation and the University of California Statewide Integrated Pest Management Program.
(c) The statewide policy shall do all of the following:
(1) Restrict pesticide use to the least harmful product and application method.
(2) To the maximum extent feasible, require that any pesticide used be used for a limited time.
(3) Prohibit the use of pesticides, except in any of the following circumstances:
(A) Where no alternative vegetation management method has been proven effective.
(B) In fire hazard severity zones, as classified or identified by the State Fire Marshal pursuant to Section 51178 of the Government Code or Section 4202 of the Public Resources Code, for purposes of preventing, combating, or mitigating the risk of wildfire.
(C) For the eradication of invasive plant species or habitat restoration, but only if the use of nonchemical methods for prevention and management, such as physical, mechanical, cultural, and biological controls, are infeasible.
(d) The Department of Transportation shall implement the statewide policy in cities and counties that have adopted integrated pest management approaches to roadside vegetation management.
(e) When operating in a city or a county that has adopted an integrated pest management policy that is more restrictive than the statewide policy, the Department of Transportation shall, to the extent feasible, operate in a manner consistent with the city’s or county’s integrated pest management policy if the city or county has submitted to the Department of Transportation, in writing, the integrated pest management policy that it adopted and that is more restrictive than the statewide policy.